WUFI

Hello Manfred

Thank you for your quick answer.
In fact, i tried once to create my own account and i had problems with it, so I simply start using João' account who kindly allows us to do that.
But, as you mentioned it, i tried now again to create one, and it simply worked, so i will just copy this ...

Hello again,

We still have some doubts about “solar protection” and “window parameters” now with the 3.0.3 WUFIPlus version. We would be very thankful if you could clarify us about these issues.

Please consider:
Double Glass - DG
SESD - “Solar Exposure for Sunscreen Device”
RFSR – “Reduction ...

Hello,

Thank you very much for your answer.

We think we understood everything.

But just to confirm our idea, could you please confirm:

1. When you say:
Following this, if you hold off 30 percent of solar radiation (500W/m²) you hold off 30% * 500 W/m² = 150 W/m² and the rest 350 W/m² pass, so ...

Hello,

I would like to know the exact meaning of the following parameter in Solar Protecion Menu:

"Solar Exposure for Sunscreen Device (1=Full Exposure; 0=Total shading)"

On the other hand, WUFI Wiki presents other description in the same menu, that is (see enclosure document):

"Reduction Factor ...

Hello Matthias

Thank you very much for your answer.

I understand the idea about Ventilation. But considering that, there's a new doubt: If "Infiltration" doesn't refer to windows or doors, it is considered (by the program) in the same way than "Natural Ventilation" right? Or just with the slight ...

Hello,

I would like to know if the ACR (Air change Rate) in the "Ventilation" options for each modelled zone in Wufi Plus 2.5.3. refers only to "Transparent" Components.

This is because i have a wood door (that is the main entry door in my apartment), which communicates with a ventilated stairway ...

Dear Matthias

Thank you so much for this answer. Didn'd understand how i haven't seen this earlier. Only by checking the new doubts query ("General Doubts WUFI PLUS" that you kindly also answered) i have seen this answer.

I think i understand all your answers. I will treat the calculated data from ...

Dear Matthias

Thank you very much for your quick answer that was very useful.

Although, we are not sure if we totally understand all the answers.

This way, we would be very grateful if you could clarify the following questions:

Solar protection devices:

- The overall heat gain due to ...

Hello,

We are starting with Wufi Plus model construction and we have some doubts.
If anyone can help us with any of this questions, we will be very grateful!

Thank you in advance,
Francisca,
Sílvia,
from Oporto.

Zones definition:
- When a component separates 2 zones, and because we can only ...

Hello,

I have some doubts about the technical systems in WUFI Plus V 2.5.3.0.

So, in WUFI PLUS / HVAC systems, we have the following options for "equipment type" in "General":

Mechanical ventilation
Electric heating/DHW
Boiler
District Heating
Heat pump
Solar collector
Water storage
User defined ...

Hello,

I have some doubts about the technical systems in WUFI Plus V 2.5.3.0.

So, in WUFI PLUS / HVAC systems, we have the following options for "equipment type" in "General":

Mechanical ventilation
Electric heating/DHW
Boiler
District Heating
Heat pump
Solar collector
Water storage
User ...

Good afternoon,
I have been exploring the program WUFI-2D V. 2.1 and a question came to me.
According to a study I conducted, I found that there are different contact configurations on the nodes of the interface. What I would like to be informed, if possible, is in relation to the equations that are ...

Good morning,

I' d like to know if WUFI Plus is a multizone or unizone program. In Annex 41 appears that WUFI Plus is a unizone program and in literature the papers had examples of WUFI Plus application with 1 zone, However the program WUFI Plus allow the use of different zones.
My question is I ...

In addition to the error I posted above, I'm facing the error below when I simulate a wall with 40cm of thickness and 2m high selecting as exterior climate Tromsoe:




Thanks for reading and trying to help me.

Hello again

Now I'm simulating the stone but with ventilation walls as you can see in the picture below:

http://img683.imageshack.us/img683/7691/semttulo1yl.png


but when I press the start button the program gives me this error:

http://img864.imageshack.us/img864/1369/semttulonxpp.png


Any ...